Cup



FIG. 1 is a top perspective view showing the design for a cup;

FIG. 2 is a bottom perspective view showing the design;

FIG. 3 is a top plan view showing the design;

FIG. 4 is a bottom plan view showing the design;

FIG. 5 is a left-side elevation view showing the design;

FIG. 6 is a front elevation view showing the design;

FIG. 7 is a right-side elevation view showing the design; and,

FIG. 8 is a back elevation view showing the design. 

The ornamental design for a cup, as shown. 